DALLAS (AP) — In just 24 hours, her face and name have become world famous for what's seen as a supreme act of sportsmanship.

Dallas-area high school student Ariana Luterman was finishing the anchor leg of a girls' relay in Sunday's Dallas Marathon when she saw the legs of the women's marathon leader, Dr. Chandler Self, start to buckle from exhaustion yards from the finish line.

Acting apparently instinctively, Luterman helped Self to her feet and half-carried her to the finish line, giving the New York City psychiatrist the women's championship. Self's family later told her she'd been credited with the win